Learning device

By integrating flipable scanning components and locking components in learning devices, the problem of single existing smart hardware functions is solved, reducing the number of devices purchased by users, reducing the purchase burden, and improving the integration and easy operation of the device sex.

CN222167763UActive Publication Date: 2024-12-13HEFEI IFLYTEK TOYCLOUD TECH
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Patent Information

Application Number
CN202420290412.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-02-08
Publication Date
2024-12-13
Estimated Expiration
2034-02-08

AI Technical Summary

Technical Problem

Due to the size limitation and the single function of existing small and medium-sized smart hardware, users need to purchase a variety of devices to meet diverse needs, which increases the purchasing burden.

Method used

A learning device is designed to integrate a flipable scanning component, including the device body, scanning component, locking component and rebounding component. Through the cooperation of the locking component and rebounding component, the automatic flip and stable storage of the scanning component can be achieved. , improves the integration of equipment and reduces the number of electronic devices that users need to purchase.

Benefits of technology

The device functions are expanded, which reduces the user's purchasing burden, and improves the convenience of operation through automatic flip and stable storage design.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides learning equipment, and relates to the technical field of electronic equipment. The learning device comprises a device body, a scanning assembly, a locking assembly and a springback piece, the device body comprises a machine shell and a control panel installed in the machine shell, the scanning assembly comprises a scanning head and a camera arranged on the scanning head, and the control panel is electrically connected with the camera; the shell is provided with a containing groove, the containing groove is provided with an opening located in the side wall of the shell and an overturning hole located in the back face of the shell, and the scanning head is installed in the containing groove in an overturning mode; the locking assembly is used for fixing the scanning head in the accommodating groove; the springback piece is installed at the rotating connection position of the scanning head and the containing groove and can drive the scanning head to rotate after the locking assembly is unlocked so that at least part of the scanning head can stretch out of the opening, and therefore a turnover scanning assembly is integrated on the learning equipment, the integration degree of the learning equipment is improved, the purchase burden is reduced, and the learning efficiency is improved. And meanwhile, the locking assembly and the rebounding assembly are matched so that automatic overturning and stable storage of the scanning assembly can be achieved, and operation is convenient.
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Description

Technical Field

[0001] The utility model relates to the technical field of electronic equipment, in particular to a learning device. Background Art

[0002] With the development of educational hardware, students have more and more electronic products, such as smart desks, smart desk lamps, listening and speaking treasures, repeaters, dictionary pens, picture book reading robots, etc. Large smart desks and smart desk lamps can provide more learning resources and application functions. For example, some smart desks and smart desk lamps can realize finger reading of picture books and cover the functions of picture book reading robots, so as to reduce the number of smart educational hardware in students' hands. However, due to the limitation of product size, small smart hardware such as dictionary pens, listening and speaking treasures, repeaters, etc. have relatively single functions and are mostly used to meet the single use needs of users, resulting in students needing to purchase a variety of small smart hardware devices to meet diverse needs, which is a heavy purchase burden. Utility Model Content

[0003] The utility model provides a learning device to solve the defect that small and medium-sized intelligent hardware in the prior art has a single function and can only meet a single demand of users due to the limitation of product volume.

[0004] The utility model provides a learning device, comprising: a device body, a scanning component, a locking component and a resilient member, wherein the device body comprises a housing and a control board installed in the housing, the scanning component comprises a scanning head and a camera arranged on the scanning head, the camera is used to scan the content on the medium to be scanned, and the control board is electrically connected to the camera;

[0005] The housing has a receiving slot, the receiving slot has an opening located on a side wall of the housing and a flip hole located on the back of the housing, and the scanning head can be flipped and installed in the receiving slot;

[0006] The locking assembly is used to fix the scanning head in the receiving groove; the resilient member is installed at the rotational connection between the scanning head and the receiving groove, and can drive the scanning head to rotate after the locking assembly is unlocked, so that the scanning head at least partially extends out of the opening.

[0007] According to a learning device provided by the utility model, the scanning head is provided with a first locking hole, the accommodating groove is provided with a second locking hole, the locking assembly includes a locking piece and an unlocking piece, the unlocking piece can be pressed and installed on the casing, the locking piece can be slidably installed in the casing, the locking piece is transmission-connected with the unlocking piece, and when the scanning assembly is received in the accommodating groove, the locking piece passes through the second locking hole and is inserted into the first locking hole; under the action of pressing force, the unlocking piece can drive the locking piece to withdraw from the first locking hole.

[0008] According to a learning device provided by the utility model, the unlocking member includes a pin shaft and an elastic member, the pin shaft can be slidably inserted into the side wall of the casing, one end of the elastic member is connected to the inner end of the pin shaft, and the other end of the elastic member is connected to the groove wall of the accommodating groove.

[0009] According to a learning device provided by the utility model, the locking member has a first spur rack, the outer wall of the pin shaft has a second spur rack, the first spur rack and the second spur rack are connected by a transmission gear, and the locking member and the pin shaft have opposite movement directions.

[0010] According to a learning device provided by the utility model, one end of the locking member facing the scanning head has a guide surface.

[0011] According to a learning device provided by the utility model, a slide groove is constructed in the housing, and the locking member can be slidably clamped in the slide groove.

[0012] According to a learning device provided by the utility model, rotating shafts are provided on opposite sides of the scanning head, rotating holes are respectively provided on two opposite groove walls of the accommodating groove, and the rotating shaft passes through the corresponding rotating holes to be rotatably connected to the inner wall of the casing.

[0013] According to a learning device provided by the utility model, the resilient member is a torsion spring.

[0014] According to a learning device provided by the utility model, the camera is a monocular camera, a binocular camera or a CCD sensor.

[0015] According to a learning device provided by the utility model, the housing comprises a front housing and a rear cover connected to the front housing, and the flip hole is located on the rear cover.

[0016] The device body provided by the utility model can realize the original functions of the learning device, and on this basis integrates a flippable scanning component, thereby improving the integration of the learning device, reducing the number of electronic devices purchased by users, and reducing the purchasing burden. At the same time, the locking component and the rebound component cooperate to realize the automatic flipping and stable storage of the scanning component, which is easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the present invention or the prior art, a brief introduction will be given below to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0018] Figure 1 It is an exploded view of the learning device provided by the utility model;

[0019] Figure 2 It is a schematic diagram of the internal structure of the learning device provided by the utility model when the scanning component is in the storage state;

[0020] Figure 3 It is a schematic diagram of the internal structure of the learning device provided by the utility model when the scanning component is in a scanning state;

[0021] Figure 4 It is another internal structure schematic diagram of the learning device provided by the utility model when the scanning component is in a scanning state.

[0022] Reference numerals:

[0023] 10. Equipment body; 11. Casing; 12. Receiving slot; 121. Second locking hole; 122. Rotating hole; 13. Opening; 14. Flipping hole; 15. Connecting platform; 16. Front shell; 17. Rear cover; 20. Scanning assembly; 21. Scanning head; 211. First locking hole; 212. Rotating shaft; 213. Connecting column; 22. Camera; 31. Locking member; 311. First spur rack; 32. Unlocking member; 321. Pin shaft; 322. Elastic member; 323. Second spur rack; 33. Transmission gear; 34. Gear shaft; 40. Rebound member; 50. Slide groove. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be clearly and completely described below in conjunction with the drawings in the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] The term "first" or "second" in the specification and claims of the utility model may explicitly or implicitly include one or more of the features. In the description of the utility model, unless otherwise specified, "multiple" means two or more. In addition, "and / or" in the specification and claims means at least one of the connected objects, and the character " / " generally means that the related objects are in an "or" relationship.

[0026] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0027] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] Combine the following Figure 1-Figure 4 The learning device of the present invention is described.

[0029] The utility model provides a learning device, referring to Figures 1 to 3 , which includes: a device body 10, a scanning component 20, a locking component and a resilient member 40. The device body 10 includes a housing 11 and a control panel installed in the housing 11. Figure 4 As shown, the scanning component 20 includes a scanning head 21 and a camera 22 arranged on the scanning head 21 . The camera 22 is used to scan the content on the medium to be scanned, and the control board is electrically connected to the camera 22 .

[0030] like Figure 1 and Figure 2 As shown, the housing 11 has a receiving slot 12, and the receiving slot 12 has an opening 13 located at one end of the housing 11 and a flip hole 14 located at the back of the housing 11. The scanning head 21 can be flipped and installed in the receiving slot 12. The locking assembly is used to fix the scanning head 21 in the receiving slot 12; the resilient member 40 is installed at the rotation connection between the scanning head 21 and the receiving slot 12, and can drive the scanning head 21 to rotate after the locking assembly is unlocked, so that the scanning head 21 at least partially extends out of the opening 13.

[0031] The learning device is a portable device such as Tingshuobao, repeater, electronic dictionary, learning machine, etc. The device body 10 is used to realize the basic functions of Tingshuobao, repeater, electronic dictionary, learning machine, etc.

[0032] The scanning assembly 20 can be disposed on any side wall of the housing 11. Figure 3 and Figure 4 As shown, the size of the opening 13 ensures that the scanning assembly 20 can be placed in the opening 13 when it is flipped out of the receiving slot 12 .

[0033] When the scanning component 20 in the learning device is in a scanning state, such as Figure 3 and Figure 4 As shown, a portion of the scanning head 21 extends out of the opening 13, the front of the scanning head 21 is in contact with the side wall of the receiving slot 12 opposite to the flip hole 14, and the scanning window on the scanning head 21 is opposite to the flip hole 14. When in use, the scanning end of the scanning head 21 is pressed on the medium to be scanned, and the side wall of the opening 13, that is, the front of the housing 11, can support and constrain the scanning head 21, preventing the scanning assembly 20 from continuing to flip toward the front of the housing 11, thereby improving the stability of scanning.

[0034] like Figure 2 As shown, when the scanning component 20 is in the storage state in the learning device, the scanning component 20 cannot be flipped out of the receiving groove 12 under the action of the locking component, so that the scanning component 20 is stored, so that the entire learning device has no convex structure, which is convenient to carry and can protect the camera 22 to prevent the camera 22 from falling dust. At this time, the resilient member 40 accumulates force. When the locking component is unlocked, the resilient member 40 pushes the scanning component 20 to flip out of the receiving groove 12, and the front of the scanning head 21 is pressed against the front wall of the housing 11 by the rebound force of the resilient member 40.

[0035] It can be understood that the flip hole 14 is arranged on the back side of the housing 11 to provide an escape position for the flipping of the scanning component 20, while also ensuring that the scanning window is exposed during scanning.

[0036] The learning device provided by the embodiment of the utility model has a device body 10 that can realize the original functions of the learning device, and on this basis, a flippable scanning component 20 is integrated to improve the integration of the learning device, reduce the number of electronic devices purchased by users, and reduce the purchasing burden. At the same time, the locking component and the rebound component cooperate to realize the automatic flipping and stable storage of the scanning component 20, which is easy to operate.

[0037] In an optional embodiment, the locking assembly includes an elastic clamp. Specifically, the elastic clamp is installed on the side wall of the scanning head 21, and the housing 11 is provided with a clamp hole. When the scanning assembly 20 is accommodated in the receiving groove 12, the elastic clamp is clamped in the clamp hole. When scanning is required, the elastic clamp is pressed to make the elastic clamp disengage from the clamp hole, and the scanning assembly 20 is turned over and extended out of the opening 13 under the action of the resilient member 40.

[0038] In yet another alternative embodiment, see Figure 1 , Figure 3 and Figure 4 , the scanning head 21 is provided with a first locking hole 211, and the receiving slot 12 is provided with a second locking hole 121. The locking assembly includes a locking member 31 and an unlocking member 32. The unlocking member 32 can be pressed and installed on the housing 11, and the locking member 31 can be slidably installed in the housing 11. The locking member 31 and the unlocking member 32 are in transmission connection. When the scanning assembly 20 is received in the receiving slot 12, the locking member 31 passes through the second locking hole 121 and is inserted into the first locking hole 211; under the action of the pressing force, the unlocking member 32 can drive the locking member 31 to withdraw from the first locking hole 211.

[0039] like Figure 4 As shown, the side wall of the scanning head 21 is provided with a first locking hole 211. The second locking hole 121 is coaxially arranged with the first locking hole 211. During the pressing and moving process of the unlocking member 32, the locking member 31 is driven to slide relative to the housing 11, so that the locking member 31 is inserted into the first locking hole 211 toward one end of the scanning head 21 or withdrawn from the first locking hole 211, so as to realize the locking of the scanning assembly 20 in the receiving slot 12 and the unlocking when scanning is required.

[0040] Specifically, Figure 1 and Figure 2 As shown, the unlocking member 32 includes a pin shaft 321 and an elastic member 322 . The pin shaft 321 can be slidably inserted into the side wall of the housing 11 , one end of the elastic member 322 is connected to the inner end of the pin shaft 321 , and the other end of the elastic member 322 is connected to the groove wall of the accommodating groove 12 .

[0041] The inner end of the pin 321 refers to the end of the pin 321 located inside the housing 11. The elastic member 322 is sandwiched between the inner end of the pin 321 and the groove wall of the receiving groove 12. The pin 321 is pressed to move the pin 321 into the housing 11 relative to the side wall of the housing 11, and the elastic member 322 is compressed and stored. When the pin 321 is released, the elastic member 322 rebounds and pushes the pin 321 to move out of the housing 11, which is convenient for the next press.

[0042] In a specific embodiment, if Figure 1 and Figure 2 As shown, the locking member 31 has a first spur rack 311, and the outer wall of the pin shaft 321 has a second spur rack 323. The first spur rack 311 and the second spur rack 323 are connected through a transmission gear 33, and the locking member 31 and the pin shaft 321 move in opposite directions.

[0043] like Figure 1As shown, the locking member 31 is in the shape of an elongated strip, and a rack is configured on the side facing the opening 13, forming a first spur rack 311. A gear shaft 34 is fixedly installed in the housing 11, and the transmission gear 33 is rotatably sleeved on the gear shaft 34. The pin 321 has a second spur rack 323 on the side facing away from the opening 13, and the transmission gear 33 is arranged between the first spur rack 311 and the second spur rack 323, and both the first spur rack 311 and the second spur rack 323 are meshed with the transmission gear 33.

[0044] When in use, the pin shaft 321 is pressed, and the pin shaft 321 moves toward the wall of the receiving groove 12, and the elastic member 322 is compressed and stored. At the same time, the first spur rack 311 drives the transmission gear 33 to rotate, thereby driving the locking member 31 provided with the second spur rack 323 to move away from the wall of the receiving groove 12, and the locking member 31 is released from the first lock hole 211. The scanning module flips under the action of the rebound member 40, and the learning device switches to the scanning state. At this time, the elastic member 322 rebounds, pushing the pin shaft 321 to move toward the outside of the housing 11. After the transmission of the first spur rack 311, the transmission gear 33 and the second spur rack 323, the locking member 31 moves toward the wall of the receiving groove 12 to achieve reset. It can be understood that when the scanning component 20 is flipped and accommodated in the accommodating groove 12, the pin shaft 321 is pressed to drive the locking member 31 to avoid. When the scanning component 20 is flipped into place, the pin shaft 321 is released, and the elastic member 322 pushes the pin shaft 321 to move outside the housing 11, driving the locking member 31 to insert into the first locking hole 211, thereby locking the scanning component 20.

[0045] It is understandable that a gear set can also be set between the first spur rack 311 and the second spur rack 323, the input gear of the gear set meshes with the first spur rack 311, and the output gear of the gear set meshes with the second spur rack 323, as long as the first spur rack 311 and the second spur rack 323 move in opposite directions.

[0046] The end of the locking member 31 has a guide surface, and the guide surface forms an acute angle with the sliding direction of the locking member 31. When the scanning assembly 20 is flipped back into the receiving groove 12, the locking member 31 is driven by the unlocking member 32 to be inserted into the first locking hole 211 from left to right, and is guided by the guide surface to facilitate insertion into the first locking hole 211.

[0047] For example, according to the attached Figure 1In the direction shown, the lower surface of the end of the locking member 31 is provided with a guide surface, or the locking member 31 has multiple guide surfaces, each of which forms an acute angle with the sliding direction of the locking member 31, so that when the locking member 31 slides into the first locking hole 211, the end that first enters the first locking hole 211 has a smaller longitudinal cross-sectional area. Of course, the end of the locking member 31 can also adopt other structural settings that are convenient for inserting into the first locking hole 211. For example, the end of the locking member 31 inserted into the first locking hole 211 is in a frustum shape, and its longitudinal cross-sectional area gradually decreases, forming a structure with a thin end and a thick middle.

[0048] like Figures 1 to 4 As shown, a slide groove 50 is constructed in the housing 11 , and the locking member 31 can be slidably engaged in the slide groove 50 .

[0049] Specifically, a first plate body is protruded in the housing 11, and the first plate body is located on one side of the receiving groove 12. Figures 2 to 4 As shown, the locking assembly is arranged on the left side of the housing 11, and correspondingly, the first plate body is located on the left side of the receiving slot 12. It can be understood that the locking assembly can also be arranged on the right side, and correspondingly, the first plate body is located on the right side of the receiving slot 12. The first plate body is perpendicular to the slot wall where the second locking hole 121 is arranged, and the slide groove 50 is arranged on the first plate body. Under the action of the pressing force, the pin shaft 321 drives the locking member 31 to move outward along the slide groove 50 and withdraw from the first locking hole 211. After the scanning head 21 flips over and bypasses the second locking hole 121, the pin shaft 321 rebounds under the action of the elastic member 322, driving the locking member 31 to move rightward and reset.

[0050] Rotating shafts 212 are disposed on opposite sides of the scanning head 21 . Rotating holes 122 are respectively disposed on two opposite groove walls of the accommodating groove 12 . The rotating shafts 212 pass through the corresponding rotating holes 122 and are rotatably connected to the inner wall of the housing 11 .

[0051] like Figure 1 and Figure 2 As shown, connecting platforms 15 are respectively provided on the opposite side walls of the housing 11, and the connecting platforms 15 are provided with mounting grooves, and the end of the rotating shaft 212 away from the scanning head 21 is inserted into the mounting groove on the corresponding side and can rotate in the mounting groove. A resilient member 40 is installed on each rotating shaft 212.

[0052] Optionally, the resilient member 40 is a torsion spring. Figure 1 and Figure 2As shown, each rotating shaft 212 is fixed with a connecting column 213, and the extending direction of the connecting column 213 is perpendicular to the axial direction of the rotating shaft 212. The torsion spring is sleeved on the rotating shaft 212, one end of the torsion spring is fixed to the inner wall of the housing 11, and the other end of the torsion spring is fixed to the connecting column 213; or, one end of the torsion spring is fixed to the groove wall of the receiving groove 12, and the other end is fixed to the connecting column 213. When the scanning component 20 is flipped back into the receiving groove 12, the rotating shaft 212 rotates, and the connecting column 213 drives the torsion spring to store force. When the locking component is unlocked, the torsion spring releases its elastic force, driving the scanning component 20 to flip out of the receiving groove 12.

[0053] The camera 22 is any one of a binocular camera, a monocular camera or a CCD sensor. For example, the camera 22 is a binocular camera with a large scanning range and can achieve fast scanning.

[0054] A display screen is installed on the front of the housing 11. Taking scanning English text as an example, the control panel displays the content scanned by the camera 22 and the translated content on the display screen for the user to view. The binocular camera 22 has a large shooting range. In order to facilitate the user to check a single word, the display screen is a touch screen. The user can intercept or select based on the scanned content of the camera 22 through the touch screen to focus on the target word.

[0055] like Figure 1 As shown, the housing 11 includes a front housing 16 and a rear cover 17 connected to the front housing 16 , and the flip hole 14 is located on the rear cover 17 .

[0056] Specifically, the front shell 16 is generally square, and the four corners of the front shell 16 are respectively provided with mounting posts, and the four corners of the rear cover 17 are provided with mounting holes, and screws or other fasteners pass through the mounting holes and are connected to the mounting posts, so that the rear cover 17 is detachably fixed to the front shell 16. The interior structure of the front shell 16 has two partitions arranged oppositely, and the spacing between the two partitions is consistent with the width of the flip hole 14. After the front shell 16 and the rear cover 17 are fixed, the two partitions serve as the opposite side groove walls of the accommodating groove 12.

[0057] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A learning device, characterized in that: include: The device body, scanning assembly, locking assembly and rebound member, the device body includes a housing and a control board installed in the housing, the scanning assembly includes a scanning head and a camera arranged on the scanning head, the camera is used to scan the content on the medium to be scanned, and the control board is electrically connected to the camera; The housing has a receiving slot, the receiving slot has an opening located on a side wall of the housing and a flip hole located on the back of the housing, and the scanning head can be flipped and installed in the receiving slot; The locking assembly is used to fix the scanning head in the receiving groove; the resilient member is installed at the rotational connection between the scanning head and the receiving groove, and can drive the scanning head to rotate after the locking assembly is unlocked, so that the scanning head at least partially extends out of the opening.

2. The learning device according to claim 1, characterized in that The scanning head is provided with a first locking hole, the accommodating groove is provided with a second locking hole, the locking assembly includes a locking piece and an unlocking piece, the unlocking piece can be pressed and installed on the housing, the locking piece can be slidably installed in the housing, the locking piece is transmission-connected with the unlocking piece, when the scanning assembly is received in the accommodating groove, the locking piece passes through the second locking hole and is inserted into the first locking hole; under the action of pressing force, the unlocking piece can drive the locking piece to withdraw from the first locking hole.

3. The learning device according to claim 2, characterized in that The unlocking member includes a pin shaft and an elastic member, the pin shaft can be slidably inserted into the side wall of the housing, one end of the elastic member is connected to the inner end of the pin shaft, and the other end of the elastic member is connected to the groove wall of the accommodating groove.

4. The learning device according to claim 3, characterized in that The locking member has a first spur rack, the outer wall of the pin shaft has a second spur rack, the first spur rack and the second spur rack are connected via a transmission gear, and the locking member and the pin shaft move in opposite directions.

5. The learning device according to claim 2, characterized in that One end of the locking member facing the scanning head has a guide surface.

6. The learning device according to claim 2, characterized in that A slide groove is configured in the housing, and the locking member can be slidably mounted in the slide groove.

7. The learning device according to claim 1, characterized in that Rotating shafts are arranged on opposite sides of the scanning head, rotating holes are arranged on two opposite groove walls of the accommodating groove, and the rotating shafts pass through the corresponding rotating holes and are rotatably connected to the inner wall of the housing.

8. The learning device according to claim 1 or 7, characterized in that: The resilient member is a torsion spring.

9. The learning device according to claim 1, characterized in that The camera is a monocular camera, a binocular camera or a CCD sensor.

10. The learning device according to claim 1, characterized in that The housing comprises a front housing and a rear cover connected to the front housing, and the flip hole is located on the rear cover.